{
  "id": "prepared_piano",
  "name": "Prepared piano (piano with objects placed on the strings)",
  "family": "keyboard",
  "class": "keyboard_acoustic",
  "axes": {
    "pitchFix": 0,
    "sustain": 0,
    "polyphony": 2,
    "harmonicity": -2,
    "register": 0,
    "range": 2,
    "articulation": 2,
    "transduction": -2,
    "dynamics": 1
  },
  "short": "prepared piano",
  "parts": [
    {
      "id": "keyboard_technique",
      "name": "Playing approach",
      "variants": [
        {
          "id": "keyboard_block_chord_pop",
          "default": true,
          "name": "Block-chord pop",
          "descriptors": [
            "block-chord"
          ],
          "match_tokens": [
            "chordal",
            "keyboard-driven"
          ],
          "canonical_tags": [
            "pop",
            "singer-songwriter"
          ]
        }
      ],
      "_fromFamily": true
    },
    {
      "id": "prepared_piano_object",
      "name": "Preparation object",
      "variants": [
        {
          "id": "prepared_piano_bolts",
          "default": true,
          "name": "Bolts and screws between strings (Cage canonical)",
          "descriptors": [
            "metallic-clang",
            "gamelan-like",
            "inharmonic",
            "bright-attack"
          ],
          "match_tokens": [
            "prepared-piano",
            "percussive-keyboard"
          ]
        },
        {
          "id": "prepared_piano_rubber",
          "name": "Rubber wedges and erasers",
          "descriptors": [
            "muted-thud",
            "dry",
            "damped"
          ],
          "match_tokens": [
            "prepared-piano",
            "muted"
          ]
        },
        {
          "id": "prepared_piano_felt",
          "name": "Felt strips / cloth mute",
          "descriptors": [
            "soft-toned",
            "hushed",
            "warm"
          ],
          "match_tokens": [
            "felt-piano",
            "intimate"
          ]
        },
        {
          "id": "prepared_piano_paper",
          "name": "Paper, plastic and coins on strings",
          "descriptors": [
            "buzzing-timbre",
            "rattling",
            "noisy"
          ],
          "match_tokens": [
            "prepared-piano",
            "buzzing"
          ]
        }
      ]
    },
    {
      "id": "prepared_piano_zone",
      "name": "Prepared register zone",
      "variants": [
        {
          "id": "prepared_piano_middle",
          "default": true,
          "name": "Middle-register octaves prepared only",
          "descriptors": [
            "mixed-timbre",
            "contrasting"
          ],
          "match_tokens": [
            "prepared-piano"
          ]
        },
        {
          "id": "prepared_piano_full",
          "name": "Full compass prepared",
          "descriptors": [
            "uniformly-percussive",
            "inharmonic"
          ],
          "match_tokens": [
            "prepared-piano"
          ]
        },
        {
          "id": "prepared_piano_bass",
          "name": "Bass strings prepared",
          "descriptors": [
            "deep-toned",
            "gong-like",
            "booming"
          ],
          "match_tokens": [
            "prepared-piano",
            "low-register"
          ]
        }
      ]
    },
    {
      "id": "prepared_piano_instrument",
      "surface": false,
      "name": "Host instrument",
      "variants": [
        {
          "id": "prepared_piano_grand",
          "default": true,
          "name": "Concert grand",
          "descriptors": [
            "resonant",
            "long-decay"
          ],
          "match_tokens": [
            "piano"
          ]
        },
        {
          "id": "prepared_piano_upright",
          "name": "Upright piano",
          "descriptors": [
            "boxy",
            "close-toned"
          ],
          "match_tokens": [
            "piano"
          ]
        }
      ]
    }
  ],
  "_ownParts": [
    {
      "id": "prepared_piano_object",
      "name": "Preparation object",
      "variants": [
        {
          "id": "prepared_piano_bolts",
          "default": true,
          "name": "Bolts and screws between strings (Cage canonical)",
          "descriptors": [
            "metallic-clang",
            "gamelan-like",
            "inharmonic",
            "bright-attack"
          ],
          "match_tokens": [
            "prepared-piano",
            "percussive-keyboard"
          ]
        },
        {
          "id": "prepared_piano_rubber",
          "name": "Rubber wedges and erasers",
          "descriptors": [
            "muted-thud",
            "dry",
            "damped"
          ],
          "match_tokens": [
            "prepared-piano",
            "muted"
          ]
        },
        {
          "id": "prepared_piano_felt",
          "name": "Felt strips / cloth mute",
          "descriptors": [
            "soft-toned",
            "hushed",
            "warm"
          ],
          "match_tokens": [
            "felt-piano",
            "intimate"
          ]
        },
        {
          "id": "prepared_piano_paper",
          "name": "Paper, plastic and coins on strings",
          "descriptors": [
            "buzzing-timbre",
            "rattling",
            "noisy"
          ],
          "match_tokens": [
            "prepared-piano",
            "buzzing"
          ]
        }
      ]
    },
    {
      "id": "prepared_piano_zone",
      "name": "Prepared register zone",
      "variants": [
        {
          "id": "prepared_piano_middle",
          "default": true,
          "name": "Middle-register octaves prepared only",
          "descriptors": [
            "mixed-timbre",
            "contrasting"
          ],
          "match_tokens": [
            "prepared-piano"
          ]
        },
        {
          "id": "prepared_piano_full",
          "name": "Full compass prepared",
          "descriptors": [
            "uniformly-percussive",
            "inharmonic"
          ],
          "match_tokens": [
            "prepared-piano"
          ]
        },
        {
          "id": "prepared_piano_bass",
          "name": "Bass strings prepared",
          "descriptors": [
            "deep-toned",
            "gong-like",
            "booming"
          ],
          "match_tokens": [
            "prepared-piano",
            "low-register"
          ]
        }
      ]
    },
    {
      "id": "prepared_piano_instrument",
      "surface": false,
      "name": "Host instrument",
      "variants": [
        {
          "id": "prepared_piano_grand",
          "default": true,
          "name": "Concert grand",
          "descriptors": [
            "resonant",
            "long-decay"
          ],
          "match_tokens": [
            "piano"
          ]
        },
        {
          "id": "prepared_piano_upright",
          "name": "Upright piano",
          "descriptors": [
            "boxy",
            "close-toned"
          ],
          "match_tokens": [
            "piano"
          ]
        }
      ]
    }
  ]
}